Charting the galaxy: Milky Way Mapper survey releases latest all-sky spectra
The Sloan Digital Sky Survey V has released its 20th public data release, providing a massive spectroscopic map of stars in the Milky Way. This dataset includes over 2 million spectra, offering new insights into the chemical composition and history of the galaxy's halo.
Why it matters
This release provides astronomers with a critical resource for understanding the formation and evolution of the Milky Way galaxy.
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Add as preferred source Density of stars in the Milky Way targeted by the Milky Way Mapper (MWM) program in SDSS-V. Credit: SDSS-V, Ilija Medan, University of Toronto The Sloan Digital Sky Survey V (SDSS-V) has announced its 20th public data release (DR20), delivering a dramatic expansion of the Milky Way Mapper (MWM) scientific survey—the most detailed spectroscopic map yet assembled of stars in and around our home galaxy.
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